Don't exit if newest kernel is selected

It was really never a good idea to make this a fatal error, especially
considering consecutive calls of kern(1) without any arguments will fail
after the kernel has been set successfully once.

1 files changed, 7 insertions, 2 deletions

diff --git a/kern b/kern
index f4a8be3..c6b2a57 100755
--- a/kern
+++ b/kern
@@ -5,8 +5,12 @@ set -e
 SRCDIR=/usr/src
 KERNFRAG=${KERNFRAG:-/etc/kernfrag}
 
-errx() {
+err() {
 	printf "kern: %s\n" "$@" >&2
+}
+
+errx() {
+	err "$@"
 	exit 1
 }
 
@@ -36,7 +40,8 @@ set_kernel() {
 	fi
 
 	if test "$kern" = "$current"; then
-		errx "Latest kernel already selected: $kern"
+		err "Warning: Latest kernel already selected: $kern"
+		return
 	fi
 
 	printf "Selecting kernel: %s\n" "$kern"